<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>外卖平台 - 欢迎使用</title>
    <link rel="stylesheet" href="styles.css">
    <style>
        /* 页面特定样式 */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: 'Microsoft YaHei', 'PingFang SC', 'Helvetica Neue', Arial, sans-serif;
            background: linear-gradient(135deg, #ff6b35 0%, #f7931e 50%, #ff4757 100%);
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 20px;
            position: relative;
            overflow-x: hidden;
        }
        
        /* 背景装饰 */
        body::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="75" cy="75" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="50" cy="10" r="0.5" fill="rgba(255,255,255,0.05)"/><circle cx="10" cy="60" r="0.5" fill="rgba(255,255,255,0.05)"/><circle cx="90" cy="40" r="0.5" fill="rgba(255,255,255,0.05)"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
            opacity: 0.3;
            pointer-events: none;
        }
        
        .container {
            background: rgba(255, 255, 255, 0.98);
            backdrop-filter: blur(20px);
            border-radius: 24px;
            padding: 60px 40px;
            text-align: center;
            box-shadow: 0 32px 64px rgba(0,0,0,0.12), 0 0 0 1px rgba(255,255,255,0.2);
            max-width: 800px;
            width: 100%;
            position: relative;
            animation: fadeInUp 0.8s ease-out;
        }
        
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(40px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        
        .logo {
            font-size: 5rem;
            margin-bottom: 24px;
            animation: bounce 2s infinite;
            filter: drop-shadow(0 4px 8px rgba(255, 107, 53, 0.3));
        }
        
        @keyframes bounce {
            0%, 20%, 50%, 80%, 100% {
                transform: translateY(0);
            }
            40% {
                transform: translateY(-10px);
            }
            60% {
                transform: translateY(-5px);
            }
        }
        
        .title {
            font-size: 3rem;
            color: #2c3e50;
            margin-bottom: 16px;
            font-weight: 800;
            letter-spacing: -0.02em;
            background: linear-gradient(135deg, #ff6b35, #f7931e);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        
        .subtitle {
            color: #7f8c8d;
            font-size: 1.25rem;
            margin-bottom: 48px;
            line-height: 1.7;
            font-weight: 400;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }
        
        .buttons {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
            margin-bottom: 48px;
        }
        
        .btn {
            padding: 18px 32px;
            border: none;
            border-radius: 16px;
            font-size: 18px;
            font-weight: 700;
            cursor: pointer;
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 12px;
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            position: relative;
            overflow: hidden;
        }
        
        .btn::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
            transition: left 0.5s;
        }
        
        .btn:hover::before {
            left: 100%;
        }
        
        .btn-primary {
            background: linear-gradient(135deg, #ff6b35, #f7931e);
            color: white;
            box-shadow: 0 8px 24px rgba(255, 107, 53, 0.4);
        }
        
        .btn-primary:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 32px rgba(255, 107, 53, 0.5);
        }
        
        .btn-secondary {
            background: linear-gradient(135deg, #6c757d, #495057);
            color: white;
            box-shadow: 0 8px 24px rgba(108, 117, 125, 0.4);
        }
        
        .btn-secondary:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 32px rgba(108, 117, 125, 0.5);
        }
        
        .features {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
            margin-top: 32px;
        }
        
        .feature {
            padding: 32px 24px;
            background: linear-gradient(135deg, rgba(255, 255, 255, 0.8), rgba(255, 255, 255, 0.6));
            border-radius: 20px;
            border: 1px solid rgba(255, 255, 255, 0.3);
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }
        
        .feature::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, #ff6b35, #f7931e);
            transform: scaleX(0);
            transition: transform 0.3s ease;
        }
        
        .feature:hover::before {
            transform: scaleX(1);
        }
        
        .feature:hover {
            transform: translateY(-8px);
            box-shadow: 0 16px 32px rgba(0,0,0,0.1);
        }
        
        .feature-icon {
            font-size: 3rem;
            margin-bottom: 16px;
            filter: drop-shadow(0 2px 4px rgba(0,0,0,0.1));
            animation: float 3s ease-in-out infinite;
        }
        
        @keyframes float {
            0%, 100% {
                transform: translateY(0px);
            }
            50% {
                transform: translateY(-10px);
            }
        }
        
        .feature h4 {
            color: #2c3e50;
            margin-bottom: 8px;
            font-size: 1.25rem;
            font-weight: 700;
        }
        
        .feature p {
            color: #7f8c8d;
            font-size: 1rem;
            line-height: 1.6;
            font-weight: 400;
        }
        
        /* 响应式设计 */
        @media (max-width: 768px) {
            .container {
                padding: 40px 24px;
                margin: 16px;
            }
            
            .logo {
                font-size: 4rem;
            }
            
            .title {
                font-size: 2.25rem;
            }
            
            .subtitle {
                font-size: 1.1rem;
                margin-bottom: 32px;
            }
            
            .buttons {
                grid-template-columns: 1fr;
                gap: 16px;
                margin-bottom: 32px;
            }
            
            .btn {
                padding: 16px 24px;
                font-size: 16px;
            }
            
            .features {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            
            .feature {
                padding: 24px 20px;
            }
            
            .feature-icon {
                font-size: 2.5rem;
            }
        }
        
        @media (max-width: 480px) {
            .container {
                padding: 32px 20px;
            }
            
            .title {
                font-size: 1.875rem;
            }
            
            .subtitle {
                font-size: 1rem;
            }
        }
    </style>
</head>
<body>
    <div class="container">
        <div class="logo">🍽️</div>
        <h1 class="title">外卖平台管理系统</h1>
        <p class="subtitle">
            为商家、用户、骑手提供一站式外卖服务解决方案<br>
            体验完整的外卖业务流程，享受便捷的数字化服务
        </p>
        
        <div class="buttons">
            <a href="home.html" class="btn btn-primary">
                <span>🚀</span>
                <span>进入系统</span>
            </a>
            <a href="auth.html" class="btn btn-secondary">
                <span>🔐</span>
                <span>登录/注册</span>
            </a>
        </div>
        
        <div class="features">
            <div class="feature">
                <div class="feature-icon">👤</div>
                <h4>用户端</h4>
                <p>浏览商家、点餐下单、订单跟踪</p>
            </div>
            <div class="feature">
                <div class="feature-icon">🏪</div>
                <h4>商家端</h4>
                <p>管理订单、菜品、营业数据</p>
            </div>
            <div class="feature">
                <div class="feature-icon">🏍️</div>
                <h4>骑手端</h4>
                <p>接单配送、地图导航、收益统计</p>
            </div>
            <div class="feature">
                <div class="feature-icon">📊</div>
                <h4>数据分析</h4>
                <p>经营数据统计、智能推荐</p>
            </div>
        </div>
    </div>
</body>
</html>
